46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
# -*- coding:utf-8 -*-
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#############################################################################
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# Copyright (c) 2020 Huawei Technologies Co.,Ltd.
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#
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# openGauss is licensed under Mulan PSL v2.
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# You can use this software according to the terms
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# and conditions of the Mulan PSL v2.
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# You may obtain a copy of Mulan PSL v2 at:
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#
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# http://license.coscl.org.cn/MulanPSL2
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#
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# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OF ANY KIND,
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# EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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# MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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# See the Mulan PSL v2 for more details.
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# ----------------------------------------------------------------------------
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# Description : grep_util.py is a utility for os grep command.
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#############################################################################
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import os
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import subprocess
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from gspylib.common.ErrorCode import ErrorCode
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from base_utils.os.cmd_util import CmdUtil
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class GrepUtil(object):
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"""
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grep_util.py is a utility for os grep command.
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"""
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@staticmethod
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def getGrepValue(para="", value="", path=""):
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"""
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function : grep value
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input : string,value,path
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output: status, output
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"""
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if not os.path.exists(path):
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raise Exception(ErrorCode.GAUSS_502["GAUSS_50201"] % path)
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cmd = CmdUtil.getGrepCmd() + " %s '%s' '%s'" % (para, value, path)
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(status, output) = subprocess.getstatusoutput(cmd)
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if status != 0:
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raise Exception(ErrorCode.GAUSS_514["GAUSS_51400"] % cmd +
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" Error:\n%s" % output)
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return status, output
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